Add Unclean Exit Watching to CPM

chrome/browser/performance_monitor/performance_monitor.h

Index: chrome/browser/performance_monitor/performance_monitor.h
diff --git a/chrome/browser/performance_monitor/performance_monitor.h b/chrome/browser/performance_monitor/performance_monitor.h
index 673cb89bd8948401327c75138ad2f14ed49f8f36..63912d827a89ddd48529d9132988bad8acee826b 100644
--- a/chrome/browser/performance_monitor/performance_monitor.h
+++ b/chrome/browser/performance_monitor/performance_monitor.h
@@ -10,6 +10,7 @@
 #include "base/file_path.h"
 #include "base/memory/scoped_ptr.h"
 #include "base/memory/singleton.h"
+#include "base/timer.h"
 #include "chrome/browser/performance_monitor/database.h"
 #include "chrome/browser/performance_monitor/event.h"
 #include "content/public/browser/notification_details.h"
@@ -54,6 +55,10 @@ class PerformanceMonitor : public content::NotificationObserver {
 
  private:
   friend struct DefaultSingletonTraits<PerformanceMonitor>;
+  FRIEND_TEST_ALL_PREFIXES(PerformanceMonitorUncleanExitBrowserTest,
+                           OneProfileUncleanExit);
+  FRIEND_TEST_ALL_PREFIXES(PerformanceMonitorUncleanExitBrowserTest,
+                           TwoProfileUncleanExit);
 
   PerformanceMonitor();
   virtual ~PerformanceMonitor();
@@ -67,6 +72,15 @@ class PerformanceMonitor : public content::NotificationObserver {
   // Register for the apprioriate notifications as a NotificationObserver.
   void RegisterForNotifications();
 
+  // Checks for whether the previous profiles closed uncleanly; this method
+  // should only be called once per run in order to avoid duplication of events
+  // (exceptions made for testing purposes where we construct the environment).
+  void CheckForUncleanExit();
+
+  // Find the last active time for the profile and insert the event into the
+  // database.
+  void AddUncleanExitEvent(std::string profile_name);
+
   // Gets the corresponding value of |key| from the database, and then runs
   // |callback| with that value as a parameter.
   void GetStateValueOnBackgroundThread(
@@ -79,6 +93,15 @@ class PerformanceMonitor : public content::NotificationObserver {
 
   void AddEventOnBackgroundThread(scoped_ptr<Event> event);
 
+  // Update the database record of the last time the active profiles were
+  // running; this is used in determining when an unclean exit occurred.
+  void UpdateLiveProfiles();
+  void UpdateLiveProfilesHelper(
+      scoped_ptr<std::set<std::string> > active_profiles, std::string time);
+
+  // Perform any collections that are done on a timed basis.
+  void DoTimedCollections();
+
   // The location at which the database files are stored; if empty, the database
   // will default to '<user_data_dir>/performance_monitor_dbs'.
   FilePath database_path_;
@@ -87,6 +110,8 @@ class PerformanceMonitor : public content::NotificationObserver {
 
   content::NotificationRegistrar registrar_;
 
+  base::RepeatingTimer<PerformanceMonitor> timer_;
+
   DISALLOW_COPY_AND_ASSIGN(PerformanceMonitor);
 };